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Embryo transfer – any positive effect on success?. Hassan N. Sallam, MD, FRCOG, PhD (London) Professor in Obstetrics and Gynaecology The University of Alexandria in Egypt Director, The Suzanne Mubarak Regional Centre for Women’s Health and Development.
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Embryo transfer – any positive effect on success? Hassan N. Sallam, MD, FRCOG, PhD (London) Professor in Obstetrics and Gynaecology The University of Alexandria in Egypt Director, The Suzanne Mubarak Regional Centre for Women’s Health and Development 2nd Congress of Current Opinion in Reproductive Medicine and Assisted Reproductive Technologies, 17-20 April 2008, Izmir, Turkey
Implantation failure In normal fertile women, 78 to 83 % of embryos fail to implant (Wilcox et al, 1988; Ellish et al, 1996) In infertile women, 85 % of embryos fail to implant (Edwards et al, 1995)
Results of ART in the USA in 2001 SART, ASRM, Fertil Steril 87(6): 1253-66, 2007
Approaches to improve implantation in IVF and ICSI • Refining embryo transfer technique • Improving endometrial receptivity • Improving the implantation capacity of the embryo
Approaches to improve implantation in IVF and ICSI • Refining embryo transfer technique • Improving endometrial receptivity • Improving the implantation capacity of the embryo
Evidence-based medicine Level A – The recommendation based on good and consistent scientific evidence (RCT) Level B – The recommendation is based on limited or inconsistent scientific evidence (CT, cohort, case control) Level C – The recommendation is based primarily on consensus and expert opinion
Refining the embryo transfer technique 1. Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Refining the embryo transfer technique 11. Soft catheter 12. Air in the transfer catheter 13. Cleavage stage or blastocyst transfer 14. Assisted hatching 15. Site of embryo deposition 16. Waiting 30 seconds 17. Fibrin sealant 18. Bed rest after transfer 19. Routine antibiotics 20. Experience of the clinician
Refining the embryo transfer technique 1.Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Position of the patient during embryo transfer (Englert et al, 1986 - CT) Englert et al, J In Vitro Fert Embryo Transf, 3:243-6, 1986
Refining the embryo transfer technique 1. Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
ET under general anaesthesia(van der Ven, 1988 - CT) Van der Ven et al, Hum Reprod 3 (Suppl 2):81-3, 1988
Effect of acupuncture (RCT) Paulus et al, Fertil Steril 77: 721, 2002
Effect of acupuncture (RCT) Westergaard et al, Fertil Steril 85: 1341, 2006
Effect of acupuncture (RCT) Smith et al, Fertil Steril, April 2006, [Epub ahead of print]
Refining the embryo transfer technique 1. Position during embryo transfer 2. General anaesthesia 3.Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Pregnancy rates with difficult transfers(Sallam et al, 2004) Sallam et al, Fertil Steril, 81 (Supplement 3): 22, 2004
Implantation rates with difficult transfers (Sallam et al, 2004) Sallam et al, Fertil Steril, 81 (Supplement 3): 22, 2004
Refining the embryo transfer technique 1. Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4.Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Dummy (trial) embryo transfer(Mansour et al, 1990 - RCT) Mansour et al, Fertil Steril, 54: 678-81, 1990
Uterine position at mock ET (Henne and Milki, 2004 (OS) Henne and Milki, Hum Reprod 19: 570-2, 2004
Refining the embryo transfer technique 1. Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5.Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Intrauterine versus intratubal ET(Habana and Palter, 2001 - Meta-analysis) Habana and Palter, Fertil Steril, 76: 286-93, 2001
Refining the embryo transfer technique 1. Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6.Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Ultrasound-guided embryo transfer(Strickler et al, 1985) Strickler et al, Fertil Steril 43: 54-61, 1985
Measuring the uterocervical angle prior to ET 12.2 % 10 % 40.6 % 37.2 % Sallam et al, Hum Reprod, 17: 1767-72, 2002
Ultrasound-guided embryo transferClinical pregnancy rate (Meta-analysis) Sallam and Sadek, Fertil Steril, 80: 1042-6, 2003
Ultrasound-guided embryo transferImplantation rate (Meta-analysis) Sallam and Sadek, Fertil Steril, 80: 1042-6, 2003
Ultrasound-guided embryo transferOngoing pregnancy rate (Meta-analysis) Sallam and Sadek, Fertil Steril, 80: 1042-6, 2003
Ultrasound-guided embryo transfer (Buckett, 2003 - meta-analysis) Buckett, Fertil Steril, 80: 1037-41, 2003
Cochrane review, CPR (Brown et al, 2007) Brown et al, Cochrane Database 1:CD006107, 2007
Cochrane review, LBR (Brown et al, 2007) Brown et al, Cochrane Database 1:CD006107, 2007
Transvaginal ultrasound-directed ET Anderson et al, Fertil Steril 77 (4): 769, 2002
Vaginal ultrasound-directed ET (CCT) Anderson et al, Fertil Steril 77 (4): 769, 2002
Three-dimensional ultrasound-guided embryo transfer Letterie, Am J Obstet Gynecol 192: 1983, 2005
Refining the embryo transfer technique 1.Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Embryo transfer with a full bladderClinical pregnancy rate Abou-Setta. Acta Obstet Gynecol Scand 86(5):516-22, 2007
Embryo transfer with a full bladderLive birth rate Abou-Setta. Acta Obstet Gynecol Scand 86(5):516-22, 2007
Refining the embryo transfer technique 1.Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8.Removing cervical mucus 9. Flushing the cervical canal 10. Avoiding the tenaculum
Refining the embryo transfer technique 1.Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9.Flushing the cervical canal 10. Avoiding the tenaculum
Refining the embryo transfer technique 1.Position during embryo transfer 2. General anaesthesia 3. Gentle and atraumatic technique 4. Dummy (trial) embryo transfer 5. Intrauterine or intratubal transfer 6. Ultrasound guidance 7. Full bladder 8. Removing cervical mucus 9. Flushing the cervical canal 10.Avoiding the tenaculum